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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "7.1cu.643_b20200521"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "A8000RU", "source": "cna", "vendor": "Totolink"}, "product": "a8000ru", "vendor": "totolink"}], "analysis": {"en": {"generated_at": "2026-04-28T04:28:49.594528+00:00", "value": {"mitigation_remediation": ["Apply the vendor-released firmware update that mitigates the command injection in setIptvCfg.", "Disable or block remote access to the /cgi-bin/cstecgi.cgi endpoint if the router configuration permits.", "Regularly review system logs for suspicious CGI activity and maintain up-to-date firmware on all network devices."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "The affected product is the Totolink A8000RU router running firmware version 7.1cu.643_b20200521.", "description_and_impact": "A vulnerability in Totolink A8000RU firmware 7.1cu.643_b20200521 allows attackers to manipulate the setIptvCfg argument of /cgi-bin/cstecgi.cgi to inject arbitrary operating system commands, resulting in remote code execution. The weakness is OS command injection, classified under CWE-77 and CWE-78.", "risk_and_exploitability": "The CVSS score is 9.3, indicating critical severity, and the EPSS score is not available. The vulnerability is not listed in CISA KEV, but the public exploit and remote attack vector make it highly actionable. An attacker can trigger the injection via crafted CGI requests over the network."}}}}, "created": "2026-04-28T02:45:10.917120+00:00", "updated": "2026-04-28T04:30:21.153615+00:00", "vendors": ["totolink", "totolink$PRODUCT$a8000ru"]}